THERMAX RGS-393 Male Coax High Power Rf Cable MIL-C-170

( Brand: Thermax ), ( Manufacturer Part Number: RGS-393 ), ( Color: Silver ), ( Type: Mil-c-170 ), ( Connector B: N Male )

Review THERMAX Vintage Inch Male To Coax High Power Rf Cable

The **Thermax RGS-393 MIL-C-170 Mil-Spec High-Power RF Coaxial Cable** is a premium, ruggedized transmission line engineered for demanding applications in military, aerospace, and industrial RF systems where reliability, durability, and superior signal integrity are paramount. Designed to meet the stringent performance criteria of **MIL-C-170 Type III**, this cable is built to withstand extreme environmental conditions, including high temperatures, vibration, moisture, and chemical exposure, making it an ideal choice for field deployments, radar systems, satellite communications, and high-frequency data transmission. Its **3.5 mm (0.138") inner conductor**, constructed from **oxygen-free copper (OFC)**, ensures exceptional conductivity and minimal signal loss, even at high power levels, while the **silver-plated brass contact** enhances corrosion resistance and maintains consistent impedance across a wide frequency spectrum. The **PTFE (Teflon) dielectric** provides an ultra-low loss constant ( r 2.1) and excellent temperature stability, ranging from **-65 C to 200 C**, ensuring stable performance in both cryogenic and high-heat environments. The **aluminum braid shield**, combined with a **foil barrier**, delivers robust electromagnetic interference (EMI) suppression and mechanical protection, while the **polyurethane or silicone jacket** offers flexibility, abrasion resistance, and resistance to oils, fuels, and solvents, depending on the variant. With a **characteristic impedance of 50 ohms**, this cable is optimized for high-power RF applications, including radar transmitters, EW systems, and military-grade communication equipment, where signal fidelity and power handling are critical. Its **military-grade connectors** (such as **Type N, SMA, or custom mil-spec fittings**) ensure secure, repeatable connections under harsh conditions, reducing the risk of signal degradation or mechanical failure. Whether deployed in airborne, ground-based, or naval platforms, the **Thermax RGS-393** delivers uncompromising performance, longevity, and operational reliability, making it a trusted solution for mission-critical RF infrastructure.

**Pros and Cons of buying a Thermax RGS-393 Mil-C-170 Male Coax High-Power RF Cable**

### **Pros**

1. **High Power Handling** The cable is designed to handle high RF power levels, making it suitable for demanding applications such as amplifiers, transmitters, and test equipment where excessive heat and signal loss must be minimized.

2. **Military-Grade Durability** The **Mil-C-170** specification indicates it meets stringent military standards for performance, reliability, and environmental resistance, ensuring long-term durability in harsh conditions.

3. **Low Loss Performance** The construction likely includes materials optimized for minimal signal attenuation, which is critical in high-frequency applications where efficiency matters.

4. **Reliable Connector** The **male N-type** connector is a standard in RF applications, offering secure connections and compatibility with most RF equipment.

5. **Temperature and Environmental Resistance** The cable is likely rated for a wide temperature range and resistant to moisture, oil, and vibration, making it suitable for industrial and outdoor use.

6. **Brand Reputation** Thermax is a well-known manufacturer of RF and coaxial cables, often preferred in professional and commercial RF applications for consistent quality.

7. **Flexibility and Ease of Installation** The flexible construction allows for easy routing in tight spaces, reducing installation challenges.

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### **Cons**

1. **Cost** High-performance military-grade cables are typically more expensive than standard coaxial cables, which may be a drawback for budget-conscious buyers.

2. **Specialized Use Case** While robust, this cable may be overkill for low-power applications (e.g., basic networking, home audio, or low-frequency signals), where cheaper alternatives would suffice.

3. **Limited Availability** Due to its specialized nature, sourcing may be more difficult compared to mass-market coaxial cables, potentially leading to longer lead times.

4. **Weight and Bulk** High-power cables are often thicker and heavier than standard coax, which could complicate portability or installation in space-constrained environments.

5. **Potential Overkill for Consumer Use** Unless you are working with high-power RF systems (e.g., amateur radio with high PEP, professional audio, or industrial transmitters), the extra cost may not justify the purchase.

6. **Connector Compatibility Issues** While the N-type connector is standard, mismatched connectors or improper crimping could lead to signal loss or connection failures if not handled carefully.

7. **Maintenance Requirements** Military-grade cables may require periodic inspections to ensure connectors remain clean and free of corrosion, especially in outdoor or industrial settings.

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### **Conclusion**

The **Thermax RGS-393 Mil-C-170 Male Coax High-Power RF Cable** is an excellent choice for **high-power RF applications** where reliability, durability, and low signal loss are critical. Its military-grade construction ensures long-term performance in demanding environments, making it ideal for **amateur radio operators running high PEP, professional audio engineers, industrial RF systems, or test equipment users**. However, for **low-power or consumer-grade applications**, the cost and specifications may not be justified, and a standard coaxial cable would be more economical.

### **Recommendation**

- **Buy it if:** You require a **high-power, durable, low-loss RF cable** for professional or industrial use, such as **amateur radio (high PEP), audio/video transmission, or RF test equipment**.

- **Avoid it if:** You are working with **low-power signals (e.g., networking, basic audio)** or need a cost-effective solution, as cheaper alternatives (e.g., LMR-400, RG-6, or RG-58) would be sufficient.

- **Consider alternatives** like **LMR-400 (for moderate power) or RG-213 (for very high power)** if you need a balance between performance and cost.

For most **serious RF enthusiasts or professionals**, this cable is a worthwhile investment due to its reliability and performance. For casual or low-power users, however, it may not be the most practical choice.

Details:

N type to type male connectors. One vintage Thermax Mil-C-170 RGS-393 9 dog bone cable connector.

part #: rgs393 prices

• $30.00-$43.63

specifications coaxcabl:

• brand: Thermax
• mpn: Rgs-393
• color: Silver
• type: Mil-c-170
• connector b: N Male

general coaxcabl:

• Radio Communication > Parts Accessories > Coax Cables Connectors
• condition: Used

payments coaxcabl:

• credit card: Mastercard
• wallet: Google-pay
• other

offer coaxcabl:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 13, 2026

seller coaxcabl:

• rating: 100.0%
• # reviews: 2132
• city: Cary, Illinois

shipping coaxcabl:

• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Calculated
• cost: $5.45
• transit: 4-8 Days

returns coaxcabl:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 30 Days

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